NL7907255A - Werkwijze voor het bereiden van een gedesulfateerd fosforzuur ten behoeve van de voedingsmiddelindustrie. - Google Patents

Werkwijze voor het bereiden van een gedesulfateerd fosforzuur ten behoeve van de voedingsmiddelindustrie. Download PDF

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Publication number
NL7907255A
NL7907255A NL7907255A NL7907255A NL7907255A NL 7907255 A NL7907255 A NL 7907255A NL 7907255 A NL7907255 A NL 7907255A NL 7907255 A NL7907255 A NL 7907255A NL 7907255 A NL7907255 A NL 7907255A
Authority
NL
Netherlands
Prior art keywords
phosphoric acid
phase
zone
organic phase
organic
Prior art date
Application number
NL7907255A
Other languages
English (en)
Dutch (nl)
Original Assignee
Rhone Poulenc Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of NL7907255A publication Critical patent/NL7907255A/nl

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Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/462Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Treating Waste Gases (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
NL7907255A 1978-09-29 1979-09-28 Werkwijze voor het bereiden van een gedesulfateerd fosforzuur ten behoeve van de voedingsmiddelindustrie. NL7907255A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7827887 1978-09-29
FR7827887A FR2437377A1 (fr) 1978-09-29 1978-09-29 Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire

Publications (1)

Publication Number Publication Date
NL7907255A true NL7907255A (nl) 1980-04-01

Family

ID=9213166

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7907255A NL7907255A (nl) 1978-09-29 1979-09-28 Werkwijze voor het bereiden van een gedesulfateerd fosforzuur ten behoeve van de voedingsmiddelindustrie.

Country Status (15)

Country Link
US (1) US4263265A (es)
JP (1) JPS5595606A (es)
BE (1) BE879095A (es)
BR (1) BR7906203A (es)
CA (1) CA1136831A (es)
DE (1) DE2939200C2 (es)
ES (1) ES484544A1 (es)
FR (1) FR2437377A1 (es)
GB (1) GB2032900B (es)
IT (1) IT1164712B (es)
MX (1) MX6075E (es)
NL (1) NL7907255A (es)
PH (1) PH14699A (es)
YU (1) YU40234B (es)
ZA (1) ZA795169B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2343020C (fr) 1999-07-21 2005-07-12 L'oreal Peigne pour l'application d'un produit sur des fibres keratiniques, ensemble d'application ainsi equipe et utilisation de cet ensemble

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
GB1263620A (en) * 1968-06-28 1972-02-16 Goodyear Tire & Rubber Method of making a skin covered foamed article
DE2047261C3 (de) * 1970-09-25 1975-07-17 Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim Verfahren zur Entfernung von Eisen aus Phosphorsäure
JPS5616082B2 (es) * 1973-05-09 1981-04-14
JPS5018388A (es) * 1973-06-21 1975-02-26
JPS5040498A (es) * 1973-08-16 1975-04-14
US4118462A (en) * 1974-02-01 1978-10-03 Rhone-Poulenc Industries Process for the preparation of purified phosphoric solutions from phosphoric acid
JPS5297389A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Removal of sulfate ion in extracted phosphoric acid
US4070443A (en) * 1976-02-13 1978-01-24 Toyo Soda Manufacturing Co., Ltd. Process for removing sulfate ions from extracted phosphoric acid with a barium compound

Also Published As

Publication number Publication date
ZA795169B (en) 1980-10-29
GB2032900A (en) 1980-05-14
FR2437377A1 (fr) 1980-04-25
CA1136831A (fr) 1982-12-07
IT1164712B (it) 1987-04-15
DE2939200A1 (de) 1980-04-03
YU40234B (en) 1985-08-31
YU234779A (en) 1982-10-31
US4263265A (en) 1981-04-21
PH14699A (en) 1981-11-10
GB2032900B (en) 1982-11-03
BE879095A (fr) 1980-03-28
FR2437377B1 (es) 1981-05-29
MX6075E (es) 1984-10-30
IT7950388A0 (it) 1979-09-28
DE2939200C2 (de) 1981-10-01
JPS5595606A (en) 1980-07-21
ES484544A1 (es) 1980-06-16
BR7906203A (pt) 1980-07-15

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed